The best times to visit Roseau for ideal weather are
December 17th to April 8th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Roseau Travel Guide
Other Roseau Travel Info
Weather in Roseau
Temperature
Average temperatures in Roseau vary very little. Considering humidity, temperatures feel hot for most of the year with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 14th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Roseau, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally mid to late August where highs are regularly around 90.6°F (32.6°C) with temperatures rarely dropping below 79.8°F (26.6°C) at night.
Roseau Temperatures (Fahrenheit)
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Roseau Temperatures (Celsius)
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“Feels-Like” Temperatures
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Roseau Perceived Temperature (F)
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Roseau Perceived Temperature (C)
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Average Roseau Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
Show Fahrenheit
| Month | Avg. High (°F) | Avg. Mean (°F) | Avg. Low (°F) |
|---|---|---|---|
| Jan | 82.9 | 79.7 | 75.7 |
| Feb | 83.1 | 79.7 | 75.1 |
| Mar | 83.2 | 79.4 | 74.3 |
| Apr | 84 | 80.9 | 76.7 |
| May | 85.3 | 82.6 | 79.4 |
| Jun | 87.9 | 84.3 | 79.2 |
| Jul | 89 | 84.9 | 78.7 |
| Aug | 89.5 | 85.7 | 79.5 |
| Sep | 88.9 | 84.6 | 77.6 |
| Oct | 86.8 | 83.2 | 78.4 |
| Nov | 85.1 | 82.4 | 78.6 |
| Dec | 83.1 | 80.2 | 76.2 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 28.3 | 26.5 | 24.3 |
| Feb | 28.4 | 26.5 | 23.9 |
| Mar | 28.4 | 26.3 | 23.5 |
| Apr | 28.9 | 27.2 | 24.8 |
| May | 29.6 | 28.1 | 26.3 |
| Jun | 31.1 | 29.1 | 26.2 |
| Jul | 31.7 | 29.4 | 25.9 |
| Aug | 31.9 | 29.8 | 26.4 |
| Sep | 31.6 | 29.2 | 25.3 |
| Oct | 30.4 | 28.4 | 25.8 |
| Nov | 29.5 | 28 | 25.9 |
| Dec | 28.4 | 26.8 | 24.6 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Roseau are February, January, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid February. For example, on the week of February 12th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid December with an average of 4 days of significant precipitation the week of December 10th.
When can you find snow in Roseau? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Roseau.
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Snow on the Ground
The graph below shows the average snow on the ground in Roseau (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 11% | 0 | 0.8 |
| Feb | 10% | 0 | 0.7 |
| Mar | 13% | 0 | 1.6 |
| Apr | 19% | 0 | 3.2 |
| May | 26% | 0 | 6.1 |
| Jun | 21% | 0 | 4.1 |
| Jul | 18% | 0 | 3 |
| Aug | 23% | 0 | 5.9 |
| Sep | 23% | 0 | 4.4 |
| Oct | 38% | 0 | 7.2 |
| Nov | 32% | 0 | 5 |
| Dec | 38% | 0 | 2.8 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 11 | 0 | 2 |
| Feb | 10 | 0 | 1.8 |
| Mar | 13 | 0 | 4.1 |
| Apr | 19 | 0 | 8.1 |
| May | 26 | 0 | 15.5 |
| Jun | 21 | 0 | 10.4 |
| Jul | 18 | 0 | 7.6 |
| Aug | 23 | 0 | 15 |
| Sep | 23 | 0 | 11.2 |
| Oct | 38 | 0 | 18.3 |
| Nov | 32 | 0 | 12.7 |
| Dec | 38 | 0 | 7.1 |
Humidity and Wind
Roseau has some very humid months, and above average humidity throughout the year. The least humid month is March (62.3% relative humidity), and the most humid month is October (72.2%).
Wind in Roseau is usually stronger than many places. The windiest month is July, followed by February and January. July’s average wind speed of around 14.3 knots (16.5 MPH or 26.5 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late January where average top sustained speeds reach 21.4 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Roseau.
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Wind
The graph below shows wind speed (max and average) in knots.
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Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
| Month | Avg. Wind | Avg. Wind Feel | Sustained High Wind | High Wind Feel |
| Jan | 12.7 | Significant breeze | 15.9 | Significant breeze |
| Feb | 12.9 | Significant breeze | 15.3 | Significant breeze |
| Mar | 12 | Significant breeze | 15.1 | Significant breeze |
| Apr | 12.7 | Significant breeze | 15.2 | Significant breeze |
| May | 11.5 | Significant breeze | 13.8 | Significant breeze |
| Jun | 11.4 | Significant breeze | 13.8 | Significant breeze |
| Jul | 14.3 | Significant breeze | 16.5 | Significant breeze |
| Aug | 12.2 | Significant breeze | 15.1 | Significant breeze |
| Sep | 10.2 | Gentle breeze | 12.8 | Significant breeze |
| Oct | 9.6 | Gentle breeze | 12 | Significant breeze |
| Nov | 10.1 | Gentle breeze | 12.4 | Significant breeze |
| Dec | 11.9 | Significant breeze | 14.7 | Significant breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 67.6% |
| Feb | 64.3% |
| Mar | 62.3% |
| Apr | 65.9% |
| May | 71.6% |
| Jun | 68.3% |
| Jul | 67% |
| Aug | 67% |
| Sep | 70.1% |
| Oct | 72.2% |
| Nov | 66% |
| Dec | 65.2% |
Is it Safe to Travel to Roseau?
Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for Dominica; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 26, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in Roseau, Dominica is February, followed by July and November. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Roseau in September. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall Roseau Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 86.7°F (30.4°C) and 81.3°F (27.4°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 8 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 5 to 7 days of precipitation per month. June – August is the second busiest season for tourism in Roseau, so lodging and other accommodations may cost slightly more.
Fall (September through November)
Fall daily highs range from 90.6°F (32.6°C) and 82.5°F (28.1°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 7 to 12 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is perfect this time of year in Roseau to be enjoyable for warm weather travelers. The average high during this season is between 84.8°F (29.3°C) and 82.4°F (28°C). On average, it rains or snows a fair amount: 3 to 12 times per month. These times of year are the busiest with tourists.
Best Times to Travel› Dominica › Roseau, Dominica